Zetsuen no Tempest.
Watch it because its opening sequence is so fine. I cannot get enough of it. Period.
The song is titled 'Spirit Inspiration', sung by Nothing's Carved In Stone. And yes, it's a J-rock band. I wouldn't have guessed (sorry). Of course, it not only has a rockin' opening sequence, it has brilliant quality animation, a suspenseful storyline so far, and great characters of depth.
Just watch it anyway. Anime Fall Season 2012, you have brought me unprecedented joy with so many fabulous titles.
